2009560640

素因数分解:

$2^6\times 5^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{641}}^1$

素因数の和:856

約数の個数: 112

約数和(自身を含む): 4890083184

約数和(自身を除く): 2880522544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 101, 160, 194, 202, 320, 388, 404, 485, 505, 641, 776, 808, 970, 1010, 1282, 1552, 1616, 1940, 2020, 2564, 3104, 3205, 3232, 3880, 4040, 5128, 6208, 6410, 6464, 7760, 8080, 9797, 10256, 12820, 15520, 16160, 19594, 20512, 25640, 31040, 32320, 39188, 41024, 48985, 51280, 62177, 64741, 78376, 97970, 102560, 124354, 129482, 156752, 195940, 205120, 248708, 258964, 310885, 313504, 323705, 391880, 497416, 517928, 621770, 627008, 647410, 783760, 994832, 1035856, 1243540, 1294820, 1567520, 1989664, 2071712, 2487080, 2589640, 3135040, 3979328, 4143424, 4974160, 5179280, 6279877, 9948320, 10358560, 12559754, 19896640, 20717120, 25119508, 31399385, 50239016, 62798770, 100478032, 125597540, 200956064, 251195080, 401912128, 502390160, 1004780320, 2009560640]

約数ペア:

[(1, 2009560640), (2, 1004780320), (4, 502390160), (5, 401912128), (8, 251195080), (10, 200956064), (16, 125597540), (20, 100478032), (32, 62798770), (40, 50239016), (64, 31399385), (80, 25119508), (97, 20717120), (101, 19896640), (160, 12559754), (194, 10358560), (202, 9948320), (320, 6279877), (388, 5179280), (404, 4974160), (485, 4143424), (505, 3979328), (641, 3135040), (776, 2589640), (808, 2487080), (970, 2071712), (1010, 1989664), (1282, 1567520), (1552, 1294820), (1616, 1243540), (1940, 1035856), (2020, 994832), (2564, 783760), (3104, 647410), (3205, 627008), (3232, 621770), (3880, 517928), (4040, 497416), (5128, 391880), (6208, 323705), (6410, 313504), (6464, 310885), (7760, 258964), (8080, 248708), (9797, 205120), (10256, 195940), (12820, 156752), (15520, 129482), (16160, 124354), (19594, 102560), (20512, 97970), (25640, 78376), (31040, 64741), (32320, 62177), (39188, 51280), (41024, 48985)]